Search a number
-
+
425057472 = 26327472243
BaseRepresentation
bin11001010101011…
…101110011000000
31002121211011020100
4121111131303000
51332303314342
6110102242400
713350633420
oct3125356300
91077734210
10425057472
111a8a2aa74
12ba426400
136a0a59c8
1440648480
15274b2e4c
hex1955dcc0

425057472 has 168 divisors, whose sum is σ = 1422660096. Its totient is φ = 118808064.

The previous prime is 425057471. The next prime is 425057489. The reversal of 425057472 is 274750524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (425057471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188383 + ... + 190625.

Almost surely, 2425057472 is an apocalyptic number.

425057472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425057472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711330048).

425057472 is an abundant number, since it is smaller than the sum of its proper divisors (997602624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425057472 is a wasteful number, since it uses less digits than its factorization.

425057472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 425057472 is about 20616.9219817120. The cubic root of 425057472 is about 751.8811869027.

The spelling of 425057472 in words is "four hundred twenty-five million, fifty-seven thousand, four hundred seventy-two".